The ratio of water and milk in a 30 liter mixture is 7:3. Find the quantity of water to be added to the mixture in order to make this ratio 6:1.

The ratio of water and milk in a 30 liter mixture is 7:3. Find the qua

1.	The ratio of water and milk in a 30 liter mixture is 7:3. Find the quantity of water to be added to the mixture in order to make this ratio 6:1.
A.	30
B.	32
C.	33
D.	35
Answer» D. 35